diff options
Diffstat (limited to 'src/liballoc')
| -rw-r--r-- | src/liballoc/macros.rs | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/liballoc/macros.rs b/src/liballoc/macros.rs index 2f2cdc39c63..422d3486f92 100644 --- a/src/liballoc/macros.rs +++ b/src/liballoc/macros.rs @@ -98,5 +98,8 @@ macro_rules! vec { #[macro_export] #[stable(feature = "rust1", since = "1.0.0")] macro_rules! format { - ($($arg:tt)*) => ($crate::fmt::format($crate::__export::format_args!($($arg)*))) + ($($arg:tt)*) => {{ + let res = $crate::fmt::format($crate::__export::format_args!($($arg)*)); + res + }} } |